Case

Optimising wastewater management in Riga

A new wastewater pumping station is a crucial part of the modernisation of Riga’s water infrastructure. The station significantly reduces water and energy consumption and improves reliability through automation.

A crucial part of Riga's infrastructure upgrade

The construction of a new wastewater pumping station in Riga, Latvia, began in spring 2021 and was completed three years later, in spring 2024. The €13.4 million project replaces an outdated station that had been operating for 30 years. The upgrade was an essential part of the modernisation of the city’s water infrastructure and addresses the limitations of the prior system.

Substantial resource savings

A noteworthy improvement is the new pumping station’s ability to reduce the consumption of resources significantly. To cool the pumps, the old facility consumed 300,000 m³ of water every year, which was water taken from the drinking water network. The new pumping station eliminates the need for water cooling, resulting in remarkable water savings. Energy consumption is also significantly reduced. According to Riga Water, the new station use s55% less electricity compared to the prior, saving approximately 2.5 million kWh. Altogether, the operational costs are reduced by approximately EUR 500,000 every year.

Automation boosts safety and precision

Automation at the new pumping station plays an important role in improving the station’s operational safety and precision. Fully automated processes ensure that the system adjusts to demand in real time, thus reducing the risk of human errors and increasing the overall performance and reliability. The new pumping station is an important part of the modernisation of Riga’s water infrastructure, preparing the city for future demands. We are proud to have contributed to this innovative project, and that our high-quality products will help ensure long-lasting efficiency.

AVK products supplied for the project

• Resilient seated gate valves DN600- 1000, actuated by AUMA electrical actuators
• Metal seated gate valves DN1200, actuated by AUMA electrical actuators
• Dismantling joints DN800-1000
• Check valves DN600-700

Case

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Wastewater treatment plant renovation boosting energy production

AVL solutions

Wasterwater

Wastewater refers to water affected by human activities such as domestic, industrial, commercial and agricultural activities. When wastewater is treated properly, all types of wastewater can be reused.